证券时报·数据宝统计，截至2月18日，市场融资融券余额为18622.25亿元，较前一交易日的18696.04亿元减少73.79亿元。当日京沪深市场融资买入额为1716.52亿元，前一交易日为2015.46亿元；当日的融券卖出量为0.82亿股，前一交易日为1.57亿股。从个券来看，融资方面，共有3666只个券出现融资买入，3672只个券出现融资偿还。其中，融资余额环比增幅前30和环比降幅前30的股票如下：（数据宝）
　　A股融资余额环比增加前30股一览
证券代码证券简称融资余额（万元）环比增长（%）占流通市值比例（%）涨跌幅(%)832145恒合股份59.27116.780.13-3.90836871派特尔301.2972.330.52-5.95871553凯腾精工465.7256.250.63-2.89301189奥尼电子6518.3151.225.89-9.97300065海兰信67647.3050.389.136.00688232新点软件9397.9942.641.51-2.08603881数据港86127.7540.754.26-10.00430090同辉信息2329.4039.021.87-8.66688653康希通信17243.1437.314.03-5.16688507索辰科技24313.3737.296.665.95871245威博液压77.6936.670.08-1.74834058华洋赛车453.1436.471.12-3.13688393安必平11868.4035.013.6911.95430685新芝生物402.1832.320.65-5.40688085三友医疗6035.9330.391.26-0.36837403康农种业681.7730.260.60-1.68300893松原股份4609.5729.821.264.24301510固高科技25387.2428.462.56-1.62301325曼恩斯特30134.0327.378.570.03301459丰茂股份13968.0727.3311.271.16688577浙海德曼12441.5126.032.9615.22688272富吉瑞4515.5325.022.277.46836395朗鸿科技1630.7624.901.68-7.94872190雷神科技6689.8024.151.81-8.87002261拓维信息298821.0522.647.718.09920108宏海科技281.9022.240.68-5.25688315诺禾致源10808.5922.191.45-7.24000818航锦科技109567.7622.134.56-1.91834639晨光电缆832.1021.751.08-3.38873706铁拓机械455.7021.571.191.36　　A股融资余额环比下降前30股一览
证券代码证券简称融资余额（万元）环比降幅（%）占流通市值比例（%）涨跌幅(%)870299灿能电力193.50-65.100.34-5.40836504博迅生物62.73-57.690.25-6.97872392佳合科技386.76-48.870.68-5.11920106林泰新材349.24-40.790.49-2.02836957汉维科技101.75-37.230.20-4.98603039泛微网络33675.08-36.661.80-10.00831856浩淼科技147.95-33.870.27-2.62000032深桑达A76490.99-28.544.640.95835892中科美菱907.46-27.802.18-7.49872953国子软件3228.93-27.102.150.51839371欧福蛋业368.18-26.400.84-4.64873223荣亿精密401.92-26.360.43-4.76873833美心翼申393.15-25.661.02-8.27601728中国电信67487.29-24.540.410.00430564天润科技1103.12-24.311.393.84873339恒太照明100.98-24.060.08-2.17603050科林电气5501.87-23.710.883.84002112三变科技27100.77-23.645.802.00832876慧为智能745.36-23.130.701.49603082北自科技13115.66-22.977.519.99300067安诺其28304.39-22.845.12-8.10430425乐创技术365.78-22.560.39-4.97301428世纪恒通19861.92-21.826.621.89000429粤高速A3079.19-20.860.172.32002123梦网科技78899.19-19.825.96-10.01300768迪普科技23093.45-19.672.61-3.88688435英方软件11986.29-19.186.09-7.16833914远航精密860.80-18.990.530.06600350山东高速2295.18-18.540.053.18430198微创光电403.55-18.090.392.21（文章来源：证券时报网）